Herbaceous responses to herbivory, fire and rainfall variability differ between grasses and forbs
نویسندگان
چکیده
منابع مشابه
Altered Rainfall Patterns, Gas Exchange, and Growth in Grasses and Forbs
Although the potential for increased temperature is the primary and best-studied aspect of anthropogenic climate change, altered rainfall patterns, increased storm intensity, and more severe droughts are also predicted in most climate-change scenarios. We altered experimentally the rainfall regime in a native tallgrass prairie in northeastern Kansas and assessed leaf-level physiological activit...
متن کاملResponses of Herbaceous Species to Fire in Persian Oak (Quercus brantii) in Coppice Forests
Zagros forests are one of the important natural ecosystems in Iran with high plant diversity and variety of plant communities. In recent decades, fire events have frequently occurred in some of these ecosystems. The purpose of this research is to investigate the composition and diversity of herbaceous species after nine years of fire occurrence in the forests of Zagros in western Iran. For this...
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آب حاصل از بارش منبع تأمین نیازهای بی شمار جانداران به ویژه انسان است و هرگونه کاهش در کم و کیف آن مستقیماً حیات موجودات زنده را تحت تأثیر منفی قرار می دهد. نوسان سال به سال بارش از ویژگی های اساسی و بسیار مهم بارش های سالانه ایران محسوب می شود که آثار زیان بار آن در تمام عرصه های اقتصادی، اجتماعی و حتی سیاسی- امنیتی به نحوی منعکس می شود. چون میزان آب ناشی از بارش یکی از مولفه های اصلی برنامه ...
15 صفحه اولDifferential responses of grasses and forbs led to marked reduction in belowground productivity in temperate steppe following chronic N deposition
Wenming Bai*, Dali Guo, Qiuying Tian, Nana Liu, Weixin Cheng, Linghao Li and Wen-Hao Zhang* State Key Laboratory of Vegetation and Environmental Change, Institute of Botany, the Chinese Academy of Sciences, Beijing, China; Key Laboratory of Ecosystem Network Observation and Modeling, Synthesis Research Center of Chinese Ecosystem Research Network, Institute of Geographic Sciences and Natural Re...
متن کاملfrom historical facts to geo-political realities: relation between turkey and armenia ( 1915 – 2010)
armenias geopolitics and its historical experience have had a determining impact on the character of its foreign policy .present-day armenia is a small, landlocked country with _11,620 square miles area armenias landlocked nature makes it dependent on the benevolence of its neighbors for access to the outside world a fact that gives it a sense of isolation and vulnerability. as it was indic...
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ژورنال
عنوان ژورنال: South African Journal of Botany
سال: 2018
ISSN: 0254-6299
DOI: 10.1016/j.sajb.2018.08.024